CN103889054B - A kind of AP, mobile terminal and mobile terminal location system and method - Google Patents
A kind of AP, mobile terminal and mobile terminal location system and method Download PDFInfo
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- CN103889054B CN103889054B CN201410145050.9A CN201410145050A CN103889054B CN 103889054 B CN103889054 B CN 103889054B CN 201410145050 A CN201410145050 A CN 201410145050A CN 103889054 B CN103889054 B CN 103889054B
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Abstract
The present invention discloses a kind of AP, mobile terminal and mobile terminal location system and method.The system includes AP, N number of mobile terminal and back end processing module.The AP includes the first radio receiving transmitting module communicated with mobile terminal with radio format and the visible Optical Receivers communicated with mobile terminal with line-of-sight propagation, and mobile terminal accordingly includes the second radio receiving transmitting module and visible optical transmission module for being communicated with AP with wireless system and line-of-sight propagation respectively.It can be seen that, personnel under the achievable ore deposit of the present invention（As mobile terminal）The data transfer for completing positioning service is cooperateed with by visible ray and radio two ways between AP, and then personnel positioning is realized by data processing by back end processing module, compared to the network of single communication mode, communication network based on photoelectricity mixed communication mode of the invention is more stable, so that the present invention effectively overcomes the adverse effect that channel circumstance brings when only relying on single communication mode.
Description
Technical field
The invention belongs to mobile terminal monitored and field of locating technology, more particularly to a kind of AP（Access Point, wirelessly
Access points）, mobile terminal and mobile terminal location system and method.
Background technology
Under ore deposit there is Active workings dispersion in operation, overlay area is larger and bad environments easily occur the spies such as security incident
Point, is the life security of operating personnel under guarantee ore deposit for these features, and security monitoring and positioning service are carried out to personnel under ore deposit
As required.
Currently, personnel under ore deposit are carried out positioning main use based on RFID（Radio Frequency
Identification, radio frequency identification）The alignment system of technology or based on Wi-Fi（Wireless Fidelity, wirelessly
Fidelity）The alignment system of technology.Wherein, the alignment system based on RFID technique is adopted by the fixed radio frequency card reader laid
Personnel positioning is carried out with contact or contactless mode；In alignment system based on Wi-Fi technology, related media is carried
Personnel access Wi-Fi control technologies and realize personnel positioning using competitive way under each ore deposit.
Above two positioning method uses single communication mode, so as to tunnel environment is complicated under ore deposit or meets with accident
（For example cave in）And when causing unstable networks, communication link to disconnect, it is impossible to ensure personal information under ore deposit it is timely, effectively go up
Pass, and then have impact on personnel positioning.
The content of the invention
In view of this, it is an object of the invention to provide a kind of AP, mobile terminal and mobile terminal location system and side
Method, the data transfer of positioning service is completed using the two kinds of communication mode collaborations of visible ray and radio, is effectively overcome and is only relied on list
The adverse effect that channel circumstance brings during one communication mode.
Therefore, the present invention is disclosed directly below technical scheme：
A kind of wireless access points AP, unique first identification information of the AP correspondences, the AP includes that first is wireless
Transceiver module and visible Optical Receivers, wherein：
The visible ray of the radio signal coverage of first radio receiving transmitting module and the visible Optical Receivers
Hotspot coverage is identical；
The visible Optical Receivers includes K photodiode PD, each described unique second mark letter of PD correspondences
Breath, the K is the natural number more than 1；
First radio receiving transmitting module, for being sent to each destination object in the radio signal coverage
The Location Request positioned to the destination object, wherein, the Location Request includes positioning service type, the positioning industry
Service type is corresponding with the scene residing for the destination object；And for receiving the mesh in the radio signal coverage
The location information or location information that mark object is sent according to different positioning service types with wireless system correspondence send request, and
When location information is received, the location information is reported, when location information transmission request is received, process the positioning letter
Breath sends request, wherein, threeth mark letter of the location information comprising first identification information and the destination object
Breath；
The PD, for receiving what the destination object in its visible ray hotspot coverage was uploaded with line-of-sight propagation
Location information, adds second identification information of the PD in the location information, and report with the addition of it is described second mark letter
Location information after breath.
Above-mentioned AP, it is preferred that the positioning service type includes concentrating positioning service, cycle positioning service and positioning of calling the roll
Business, wherein, it is described concentrate positioning service correspond to destination object be in mine entrance scene, the cycle positioning service with
And the roll-call positioning service correspondence destination object is in the scene of tunnel and face under ore deposit.
Above-mentioned AP, it is preferred that first radio receiving transmitting module is additionally operable to：In first radio receiving transmitting module or described
It can be seen that when Optical Receivers receives the alert service data of destination object, to each mesh in the radio signal coverage
Mark object sends control data, to control each destination object to stop sending other each business information except alert service；
The alert service data include the 3rd identification information and warning message of destination object.
A kind of mobile terminal, unique 3rd identification information of the mobile terminal correspondence, the mobile terminal includes second
Radio receiving transmitting module and visible optical transmission module, wherein：
Second radio receiving transmitting module, for when the Location Request comprising positioning service type is received, according to not
The one kind in following operation is performed with positioning service type correspondence：Location information is sent with wireless system, or with radio side
Formula sends location information and sends request, or does not operate；
The visible optical transmission module, for receiving Location Request and with radio in second radio receiving transmitting module
When mode sends location information, operation is not performed for the Location Request；In second radio receiving transmitting module with radio
Mode sends location information and sends request and after location information transmission request is processed, is sent with line-of-sight propagation
Location information；When second radio receiving transmitting module receives Location Request and do not operate, sent with line-of-sight propagation
Location information.
Above-mentioned mobile terminal, it is preferred that second radio receiving transmitting module is additionally operable to send alarm industry with wireless system
Business data, the visible optical transmission module is additionally operable to send alert service data with line-of-sight propagation.
A kind of mobile terminal location system, including AP as described above and N number of mobile terminal as described above, the AP
It is in communication with each other with the mobile terminal, the N is the natural number more than 1, the alignment system also includes：
Back end processing module, for receiving the location information that the AP is reported, and the location information is analyzed and
Treatment, each mobile terminal is obtained according to the first identification information in the location information, the second identification information, the 3rd mark letter
Positional information.
A kind of mobile terminal locating method, based on above-described alignment system, the method includes：
The AP sends to each mobile terminal in its radio signal coverage and the mobile terminal is determined
The Location Request of position, wherein, the Location Request includes positioning service type, the positioning service type and the mobile terminal
Residing scene is corresponding；
Each mobile terminal is held when the Location Request that the AP sends is received according to different positioning service types correspondence
One kind in the following operation of row：Location information is sent to the AP with wireless system or line-of-sight propagation；Or with wireless
Electrically location information is sent to the AP send request, and it is logical with visible ray after location information transmission request is processed
Letter mode sends location information to the AP；
The AP processes the location information and sends request when the location information for receiving mobile terminal sends request；
When the location information of mobile terminal is received with wireless system, the location information is reported；In visible light communication form
When receiving the location information of mobile terminal, corresponding second identification information is added in the location information, and report
With the addition of the location information of the second identification information；
The back end processing module is analyzed and processes to the location information that the AP is reported, according to the location information
In the first identification information, the second identification information, the 3rd identification information obtain the positional information of each mobile terminal.
The above method, it is preferred that described one kind performed according to different positioning service types correspondence in following operation：To institute
State AP and send location information；Or wirelessly to AP transmission location information transmission requests, and in location information hair
Location information is sent to the AP with line-of-sight propagation after sending request processed, is specifically included：
When the positioning service type is to concentrate positioning service, the mobile terminal is logical with wireless system or visible ray
Any one in letter mode sends location information to the AP；
When the positioning service type is cycle positioning service, the mobile terminal is sent out with wireless system to the AP
Send location information send request, and the location information send request by the AP treatment after, with line-of-sight propagation to
The AP sends location information；
When the positioning service type is roll-call positioning service, the mobile terminal is sent out with wireless system to the AP
Send location information.
The above method, it is preferred that the AP processes described fixed when the location information for receiving mobile terminal sends request
Position information sending request, specifically includes：
The AP sends confirmation to the mobile terminal；
The AP accesses the mobile terminal according to the 3rd identification information of the mobile terminal in the way of poll.
The above method, it is preferred that the back end processing module is analyzed and processes to the location information that the AP is reported,
Described each movement is obtained according to the first identification information in the location information, the second identification information, the 3rd identification information eventually
The positional information at end, specifically includes：
If the location information is the information that the AP is obtained with wireless system, the back end processing module utilizes institute
State the first identification information in location information and the 3rd corresponding mobile terminal of identification information pair is positioned；
If the location information is the information that the AP is obtained with line-of-sight propagation, the back end processing module profit
Positioned with the second identification information in the location information and the 3rd corresponding mobile terminal of identification information pair.
The above method, it is preferred that also include：
When the mobile terminal sends the location information failure for concentrating positioning service to the AP, the AP is to the shifting
Dynamic terminal sends prompt message；
The mobile terminal sends the location information for concentrating positioning service to the AP again.
The above method, it is preferred that also include：
The priority level of cycle positioning service, roll-call positioning service and alert service is pre-established, each business
Priority level is specially：Priority, the priority of roll-call positioning service of the priority of alert service higher than roll-call positioning service
Higher than the priority of cycle positioning service.
The above method, it is preferred that also include：
When the AP receives the alert service data of mobile terminal, to each shifting in its radio signal coverage
Dynamic terminal sends control data, to control each mobile terminal to stop sending other each business information except alert service；
The back end processing module receives the alert service data that the AP is reported, and is carried out according to the alert service data
Alert process.
The above method, it is preferred that also include：
The back end processing module uses the location information institute that fingerprint recognition location algorithm is received to AP with wireless system
The mobile terminal of category is positioned.
Mobile terminal location system provided in an embodiment of the present invention includes AP, N number of mobile terminal and back end processing module, institute
State AP and include the first radio receiving transmitting module for being communicated with mobile terminal with wireless system and with visible light communication side
The visible Optical Receivers that formula is communicated with mobile terminal, mobile terminal accordingly include can respectively by wireless system and
The second radio receiving transmitting module and visible optical transmission module that line-of-sight propagation is communicated with the AP, it is seen then that using this
The mobile terminal location system of invention can realize personnel under ore deposit（As mobile terminal）Pass through visible ray and radio two between AP
Plant communication mode collaboration and complete the data transfer of positioning service, and then realize that personnel determine by data processing by back end processing module
Position, compared to the network for being based on single communication mode in the prior art, the communication based on photoelectricity mixed communication mode of the invention
Network is more stable, rationally can realize data transfer using another communication link when a kind of communication link disconnects wherein, from
And, the present invention largely overcomes the unfavorable shadow that channel circumstance when only relying on single communication mode in the prior art brings
Ring, can more effectively realize personnel positioning.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are the present invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
These accompanying drawings obtain other accompanying drawings.
Fig. 1 is AP structural representations disclosed in the embodiment of the present invention one；
Fig. 2 is mobile terminal structure schematic diagram disclosed in the embodiment of the present invention three；
Fig. 3 is mobile terminal location system structural representation disclosed in the embodiment of the present invention five；
Fig. 4 is mobile terminal locating method flow chart disclosed in the embodiment of the present invention six；
Fig. 5 is superframe structure schematic diagram disclosed in the embodiment of the present invention six；
Fig. 6 is beacon frame structure schematic diagram disclosed in the embodiment of the present invention six；
Fig. 7 is identity ID frame structure schematic diagrames disclosed in the embodiment of the present invention six；
Fig. 8 is poll disclosed in the embodiment of the present invention six-beacon frame structure schematic diagram；
Fig. 9 is that the embodiment of the present invention seven is disclosed concentrates confirmation-beacon frame structure schematic diagram；
Figure 10 is that the embodiment of the present invention nine is disclosed concentrates the interaction flow schematic diagram called the roll and position；
Figure 11 is that the embodiment of the present invention nine is disclosed concentrates roll-call locating channel distribution condition schematic diagram；
Figure 12 is the interaction flow schematic diagram of cycle positioning disclosed in the embodiment of the present invention nine；
Figure 13 is the channel usage schematic diagram of the disclosed periodically positioning of the embodiment of the present invention nine；
Figure 14 is the channel behaviour in service schematic diagram of not timing point ring service disclosed in the embodiment of the present invention nine.
Specific embodiment
For the sake of quoting and understanding, the technical term that hereinafter uses, write a Chinese character in simplified form or summary of abridging is explained as follows：
RFID：Radio Frequency Identification, radio RF recognition technology is recognized by wireless signal
Specific objective simultaneously reads and writes related data, and without setting up mechanical or optical contact between identifying system and specific objective.
Wi-Fi：Wireless Fidelity, the technology that mobile device is wirelessly interconnected, existing ripe agreement
Standard.
VLC：Visible light communication, it is seen that optical communication technique, a kind of novel high speed communication technology,
Signal of communication is obtained using LED quick on-off.
LED：Light-emitting diode, light emitting diode is now widely used in illuminating lamp technology.
PD：Photo Diode, photodiode, in visible light communication technology, for receiving visible light signal.
AP：Access Point, WLAN central access point.
GIS：Geografic Information System, GIS-Geographic Information System, with the technology to moving in the present invention
Dynamic terminal is positioned.
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
The present invention discloses a kind of AP, mobile terminal and mobile terminal location system and method, for more multiple to environment
In miscellaneous scene（For example under ore deposit）Mobile terminal positioned, specific implementation the present invention when, can be using the inventive method as MAC
（Media Access Control, media intervention key-course）Protocol realization is positioned.Below will be by each embodiment to the present invention
Describe in detail.
Embodiment one
The embodiment of the present invention one discloses a kind of wireless access points AP, and the AP corresponds to unique first identification information, such as
Shown in Fig. 1, the AP includes the first radio receiving transmitting module 101 and visible Optical Receivers 102.
The radio signal coverage of the first radio receiving transmitting module 101 and the visible photo-thermal of visible Optical Receivers 102
Point coverage is identical.
It can be seen that Optical Receivers 102 includes K PD（Photo Diode, photodiode）, each PD correspondences unique the
Two identification informations, K is the natural number more than 1.
First radio receiving transmitting module 101, for being sent to each destination object in the radio signal coverage
The Location Request positioned to the destination object, wherein, the Location Request includes positioning service type, the positioning industry
Service type is corresponding with the scene residing for the destination object；And for receiving the mesh in the radio signal coverage
The location information or location information that mark object is sent according to different positioning service types with wireless system correspondence send request, and
When location information is received, the location information is reported, when location information transmission request is received, process the positioning letter
Breath sends request, wherein, threeth mark letter of the location information comprising first identification information and the destination object
Breath.
Wherein, the first radio receiving transmitting module 101 specifically realizes its function using wireless base station.
Specifically, in the present embodiment, positioning service type includes concentrating positioning service, cycle positioning service and positioning of calling the roll
Business, wherein, concentrate positioning service to correspond to the scene that destination object is in mine entrance, cycle positioning service and the point
Name positioning service correspondence destination object is in the scene of tunnel and face under ore deposit.I.e. when each miner personnel enters mine entrance
When, each miner personnel as destination object are performed and concentrate positioning by AP to the miner personnel in its radio signal coverage
Business；When each miner personnel is in tunnel under ore deposit and face, AP performs week according to actual location demand to miner personnel
Phase positioning service or roll-call positioning service.
Correspondingly, when concentrate positioning service or roll-call positioning service between AP and miner personnel, the first wireless receipts
Hair module 101 receives the location information that miner personnel are sent with wireless system, and reports the location information；In AP and miner people
When entering line period positioning service between member, the first radio receiving transmitting module 101 receives miner personnel with determining that wireless system sends
Position information sending request, and process location information transmission request.
The PD, for receiving what the destination object in its visible ray hotspot coverage was uploaded with line-of-sight propagation
Location information, adds second identification information of the PD in the location information, and report with the addition of it is described second mark letter
Location information after breath.
In the present embodiment, specially AP distributes unique network address, is that each PD distributes unique short address and is
Each destination object distributes unique ID（IDentity, identity number）, for subsequently to be positioned to destination object
Foundation is provided.
The AP of the present embodiment can carry out phase intercommunication in the complex scene of the inferior environment of ore deposit by with mobile terminal
Letter, and it is aided with corresponding follow-up data processing module, realization is positioned to mobile terminal.
Embodiment two
The embodiment of the present invention two continues to expand the function of AP in embodiment one, specifically, in the present embodiment two, the
One radio receiving transmitting module 101 is additionally operable to：Target pair is received in the first radio receiving transmitting module 101 or visible Optical Receivers 102
During the alert service data of elephant, control data, the control data are sent to each destination object in its wireless signal coverage
For controlling each destination object to stop sending other each business information except alert service.
The alert service data include the 3rd identification information and warning message of destination object.I.e. specifically, it is described
Alert service data include the ID and warning message of destination object.
Wherein, due in practical application scene, such as under ore deposit at tunnel or face, it may occur however that emergency situation.And
It is farthest mitigation, it is necessary to very first time realization is alarmed and related personnel is determined when emergency situation occurs
Position, the present embodiment is to guarantee to be properly received the ID and warning message of destination object in the very first time, while using radio
Channel and visible light channel receive the burst alert data that destination object is uploaded, and occur with the connection for ensureing a kind of channel wherein
During problem, remain to by alert data needed for another channel Successful transmissions, in case cause alert data transmission delay, and can
When seeing that Optical Receivers 101 receives alert data, control is sent to each destination object in its radio signal coverage
Request, it is desirable to which all destination objects stop sending other business datums, carries out alarm logical with the destination object for allowing critical place
Letter or other dispatching communications.
The present embodiment two on the basis of conventional positioning service, for may occur in practical application scene emergency situation,
Burst accident this phenomenon, is that AP with the addition of burst alert process, the corresponding function of scheduling, to realize burst accident
When, burst alarm positioning is carried out to destination object in time, it is convenient subsequently to carry out alert process in time, mitigate and damage.
Embodiment three
The embodiment of the present invention three discloses a kind of mobile terminal, unique 3rd identification information of the mobile terminal correspondence.This
The structure and function of embodiment mobile terminal are corresponding with the structure of AP disclosed in above example, function, and both are by mutual
Communicating and be aided with corresponding localization process can realize positioning mobile terminal.
It is specific as real that 3rd identification information of mobile terminal is specially the ID of mobile terminal, i.e. the present embodiment mobile terminal
The destination object described in example is applied to be communicated with AP.
Fig. 2 is referred to, the mobile terminal includes the second radio receiving transmitting module 201 and visible optical transmission module 202.
Second radio receiving transmitting module 201, for wireless system receive the positioning comprising positioning service type please
When asking, the one kind in following operation is performed according to different positioning service types correspondence：Location information is sent with wireless system, or
Wirelessly send location information and send request, or do not operate；
It can be seen that optical transmission module 202, for receiving Location Request and with radio in second radio receiving transmitting module
When mode sends location information, operation is not performed for the Location Request；In second radio receiving transmitting module with radio
Mode sends location information and sends request and after location information transmission request is processed, is sent with line-of-sight propagation
Location information；When second radio receiving transmitting module receives Location Request and do not operate, sent with line-of-sight propagation
Location information.
Second radio receiving transmitting module 201 and visible optical transmission module 202 are integrated in the present embodiment the electricity of head light
In source capsule, and head lamp is connected, using head lamp LED（Light emitting diode, light emitting diode）As lighting source
While send upstream data to the PD that is laid at the top of mine mouth and tunnel（That is location information）.
Corresponding to the corresponding three kinds of positioning services of AP in embodiment one, mobile terminal equally three kinds of the correspondence of the present embodiment is fixed
Position business.When the Location Request for concentrating positioning service is received, mobile terminal randomly chooses current visible ray or radio
Channel uploads self poisoning information；When the Location Request of cycle positioning service is received, mobile terminal selection radio channel
Send location information and send request, and after location information transmission request is processed, is sent using visible light channel and positioned
Information；When the Location Request of roll-call positioning service is received, mobile terminal selection radio channel sends location information, so that
Influence will not be produced on ongoing cycle positioning service in visible light channel.
Example IV
The embodiment of the present invention four continues to expand the mobile terminal in embodiment three, and in the present embodiment, second is wireless
Transceiver module 201 is additionally operable to send alert service data with wireless system, it is seen that optical transmission module 201 is additionally operable to visible ray
Communication mode sends alert service data.
The structure of mobile terminal, function are corresponding with the structure of AP, function in embodiment two in the present embodiment four.To ensure
Rapidity and validity that in emergency circumstances burst alert data is transmitted, the mobile terminal of the present embodiment use aerogram simultaneously
Road and visible light channel upload burst alert data, are that follow-up emergent management is raced against time, mitigation of consequences.
Embodiment five
The present embodiment five discloses a kind of mobile terminal location system, as shown in figure 3, the system is including disclosed above
AP100, N number of mobile terminal 200 and back end processing module 300, AP100 are in communication with each other with N number of mobile terminal 200.
Wherein, the N is the natural number more than 1,
Back end processing module 300, for receiving the location information that AP100 is reported, and is analyzed to the location information
And treatment, obtain each movement eventually according to the first identification information in the location information, the second identification information, the 3rd mark letter
The positional information at end.
In order to realize the upload of personnel's positioning service data under ore deposit, present system is using there is center（AP）Photoelectricity mixing
Network, AP constitutes a unit networks with each mobile terminal in its coverage, dispatches each terminal using Centroid and accesses
Hybrid network.Wherein, Centroid AP includes 1 wireless base station, and some PD receiving nodes, AP distributes unique network address, respectively
PD distributes short address；Miner's terminal configuration radio receiving transmitting module, LED, and be the unique ID of miner's terminal distribution.
Miner's terminal sends the location information comprising its identity ID, the wireless receiving mould of AP with radio or visible ray mode
Block or PD receiving nodes receive the location information of miner's terminal transmission in up-link.Afterwards, included by AP wireless base station and
Multiple PD use TDMA（Time Division Multiple Address, time division multiple acess）Be sent to for the data of reception by technology
Back end processing module is processed.
Mobile terminal location system provided in an embodiment of the present invention includes AP, N number of mobile terminal and back end processing module, institute
State AP and include the first radio receiving transmitting module for being communicated with mobile terminal with wireless system and with visible light communication side
The visible Optical Receivers that formula is communicated with mobile terminal, mobile terminal accordingly include can respectively by wireless system and
The second radio receiving transmitting module and visible optical transmission module that line-of-sight propagation is communicated with the AP, it is seen then that using this
The mobile terminal location system of invention can realize personnel under ore deposit（As mobile terminal）Pass through visible ray and radio two between AP
Plant communication mode collaboration and complete the data transfer of positioning service, and then realize that personnel determine by data processing by back end processing module
Position, compared to the network for being based on single communication mode in the prior art, the communication based on photoelectricity mixed communication mode of the invention
Network is more stable, rationally can realize data transfer using another communication link when a kind of communication link disconnects wherein, from
And, the present invention largely overcomes the unfavorable shadow that channel circumstance when only relying on single communication mode in the prior art brings
Ring, can more effectively realize personnel positioning.
Embodiment six
Based on mobile terminal location system disclosed above, the present embodiment six discloses a kind of mobile terminal locating method, such as
Shown in Fig. 4, the method includes：
S401：The AP sends to enter the mobile terminal to each mobile terminal in its radio signal coverage
The Location Request of row positioning, wherein, the Location Request includes positioning service type, the positioning service type and the movement
Scene residing for terminal is corresponding.
At present, it is seen that optic communication can realize the transmission rate of average 500M, and radio channel actual transfer rate is very low,
Typically below 100,000,000.Under ore deposit in positioning service, the upload of positioning service data is main target, and data volume is larger, therefore
The larger visible optical link of transmission rate is only used as up-link by the present invention, used as business datum passage；And radio link
In most cases as downlink, as control passage, for the transmission of control information, it is achieved thereby that to two kinds of communication chains
The reasonable distribution that road cooperates.
Correspondingly, in the present embodiment, for different scenes, it is collection that positioning service is equally divided into three kinds, i.e. eye
Middle positioning service, tunnel and face are cycle positioning service or roll-call positioning service under ore deposit.
Wherein, in the present embodiment, AP is realized sending mobile terminal and is concentrated Location Request or cycle by broadcast beacon frame
The Location Request of positioning.
Specifically, the present invention is it will be seen that light and radio channel are synchronously divided into the superframe structure of regular length, such as Fig. 5
Shown, superframe structure is divided into two parts, and Part I is the beacon frame information phase, and Part II is location data transmission period, is divided
It is a series of isometric time slots.One superframe duration is the basic timing units of communication under ore deposit.
AP periodically sends downlink broadcast frame by radio channel（That is beacon frame）, the synchronization of photoelectricity channel is realized, believe
Mark the structure of frame please as shown in Figure 6, including frame control sequence, duration, BSSID (Basic Service Set
Identifier, BSSID), synchronizing sequence, reporting types and FCS.Frame control, duration and BSSID are common
With composition mac frame head, remainder（Except FCS）It is body section, wherein：
Duration field：Indicate the duration of superframe data is activation phase.
BSSID fields：The network address where indicating center AP, the network address of each AP is unique.
Reporting types field：It is the frame of beacon frame, shows in the different positioning services of different scenes use under ore deposit
Type is passed, AP carries the beacon frame of reporting types by being broadcasted to each mobile terminal in its radio signal coverage, leads to
Know the type of each mobile terminal location business, the reporting types carried in beacon frame are specifically shown in Table 1 institute with the corresponding relation of scene
Show：
Table 1
| Reporting types | It is applicable scene |
| Concentrate positioning | Mine entrance |
| Cycle positions | Tunnel and face under ore deposit |
FCS fields：It is Frame Check Sequence, all frames have the field.
Wherein, frame control, duration, BSSID, synchronizing sequence, reporting types and FCS fields take 2 respectively, 2,6,
2nd, 2,4 bytes.
S402：Each mobile terminal when the Location Request comprising positioning service type that the AP sends is received, according to
The one kind in following operation is performed according to different positioning service types correspondence：With wireless system or line-of-sight propagation to described
AP sends location information；Or location information transmission request is sent to the AP with wireless system, and in location information hair
Location information is sent to the AP with line-of-sight propagation after sending request processed.
S403：The AP processes the location information and sends when the location information for receiving mobile terminal sends request
Request；When the location information of mobile terminal is received with wireless system, the location information is reported；With visible light communication
When form receives the location information of mobile terminal, corresponding second identification information is added in the location information, and
Report the location information after the second identification information of addition.
Wherein, in above-mentioned steps S402, the one kind in following operation is performed according to different positioning service types correspondence：To institute
State AP and send location information；Or wirelessly to AP transmission location information transmission requests, and in location information hair
Location information is sent to the AP with line-of-sight propagation after sending request processed, is specifically included：
When the positioning service type is to concentrate positioning service, the mobile terminal is logical with wireless system or visible ray
Any one in letter mode sends location information to the AP；
When the positioning service type is cycle positioning service, the mobile terminal is sent out with wireless system to the AP
Send location information send request, and the location information send request by the AP treatment after, with line-of-sight propagation to
The AP sends location information；
When the positioning service type is roll-call positioning service, the mobile terminal is sent out with wireless system to the AP
Send location information.
In above-mentioned steps S403, the AP processes the positioning when the location information for receiving mobile terminal sends request
Information sending request, specifically includes：The AP sends confirmation to the mobile terminal；The AP is according to the mobile terminal
The 3rd identification information the mobile terminal is accessed in the way of poll.
Specifically, after mobile terminal receives the beacon frame of AP broadcast, beacon frame is parsed, analyzes positioning service class therein
Type, subsequently uploads location information with corresponding service type.
The present embodiment defines identity ID frames, and mobile terminal sends the upload that identity ID frames realize location information by AP,
Fig. 7 is referred to, Fig. 7 shows the frame structure of the identity ID frames transmitted by miner's mobile terminal, and identity ID frames include that frame controls sequence
Row, BSSID fields, id field and FCS.Wherein：
BSSID：It is the address of center AP, mobile terminal is obtained by parsing the beacon frame that AP is broadcasted, and is also mobile terminal
Upload the destination address of identity ID frames；
ID：It is the identity id information of miner, subsequent back end processing module is by parsing miner identity ID and PD short addresses
The definite positional information of miner can be obtained.
When mobile terminal learns reporting types to concentrate positioning by parsing beacon frame, current super frame data are randomly choosed
Time slot on period visible ray or radio channel uploads self ID frame, realizes the upload of location information.
When mobile terminal received beacon frame is determined using cycle positioning service type, sent to AP in radio channel
RTS（Request to send, request sends）Frame request adds snoop queue, AP that the ID of the mobile terminal is added into poll team
The backward mobile terminal of row replys CTS（Clear to send, confirm to send）Frame informs that then AP is using in snoop queue
All Termination ID generate poll-beacon frames, for the mobile terminal in poll its coverage.
Specifically, for cycle positioning service, the present embodiment by beacon frame periodically send the characteristics of, by beacon
The body section of frame adds Polling Field to define a kind of beacon frame with poll, i.e. poll-beacon frame（Poll-
Beacon）, as shown in figure 8, Polling Field includes two subfields：Termination ID sequence and time.Wherein：
Termination ID sequence：The ID of all terminals for needing poll is marked, if n is the terminal number for needing poll, the sequence
Byte length is 2 × n；
Time：Represent the allocated slot length of each terminal.
Based on the poll-beacon frame of the present embodiment definition, in cycle positioning service, in first broadcast cycle, AP is to each
Miner's terminal broadcast Polling Field is empty poll-beacon frame, after each miner's terminal receives the poll-beacon frame, using RTS/
CTS handshake mechanisms, compete sending permission to AP over a radio channel, and data wouldn't be sent after competing successfully.I.e. specifically, eventually
End sends RTS with wireless system to AP, and AP is to miner's terminal replies CTS frames afterwards, and will send the Termination ID addition hair of RTS
Queue table is sent, while safeguarding the transmit queue table, the Termination ID in queue table is added the Polling Field of poll-beacon frame, it is raw
Poll-the beacon frame of Cheng Xin, by the miner's terminal in new poll-beacon frame poll its coverage, afterwards, miner's terminal according to
It is secondary to upload self ID frame to AP in visible light channel, until an end of polling(EOP), first positioning of execution cycle positioning service
Cycle.
In periodicity poll after, the content of Polling Field can be according to the actual conditions of terminal in poll-beacon frame
It is updated.If cycle polling three times（Specific number of times can carry out different set by technical staff）Afterwards, certain miner's terminal is always
Failure is sent, then possibly remote from the coverage of current AP, now, the Termination ID is removed snoop queue to the terminal by AP, and extensively
Broadcast the poll-beacon frame after updating.
The update status of poll-beacon frame have two kinds：There is new terminal to add transmit queue or certain terminal to be covered away from AP
Lid scope.In the case where poll-beacon frame does not update, AP need to only send current poll-beacon frame, its " reporting service "
Field is " cycle positioning service ", and terminal is polled according to the polling sequence of a upper poll-beacon frame to terminal.If terminal
Transmit queue table has renewal, then the corresponding upload cycle also have certain change.
In cycle positioning service, because terminal periodic uploads identity ID frames, therefore success or not need not be uploaded to terminal
Confirmed.
When control centre has roll-call demand to miner, i.e., it is necessary to be carried out a little to miner in tunnel or face scene
During name positioning, AP is sent using radio channel to target miner higher priority（Compared to cycle positioning service）Roll-call
Frame, miner replys self ID frame, AP feeding back ACKs over the wireless channel after receiving roll-call frame（Acknowledgement, confirms word
Symbol）Acknowledgement frame is acknowledged receipt of, and completes to call the roll.Because roll-call positioning service occurs over a radio channel, therefore will not be to visible
Ongoing cycle positioning service produces influence on optical channel.
So far, AP can receive the location information under three kinds of positioning services.Concentrate in positioning service, AP is by two kinds of communications
Respectively by wireless base station and the location information of each PD receiving terminals, AP passes through visible optical link by each to link under cycle positioning service
PD receives location information, and AP route wireless base station receiving terminal location information by radio link in roll-call positioning service.Wirelessly
After base station receives terminal location information, location information is not processed, directly send to back-end processing mould location information
Block 300；After each PD receives location information, its PD short address is added to location information, and upload determining comprising PD short addresses
Position information is to back end processing module 300.
Wherein, wireless base station and each PD are reported using the data that TDMA technologies will be received.
During specific implementation, AP is received and the function of reported data can be realized in physical layer.Physical layer includes two-layer：PMD
（Physical medium dependent, Physical Medium Dependent sublayer）And PLCP（physical layer convergence
Procedure, physical layer convergence procedure sublayer）.AP receives location information in pmd layer, to the addition PD that given the correct time on PLCP layers shortly
Location.
S404：The back end processing module is analyzed and processes to the location information that the AP is reported, according to described fixed
The first identification information, the second identification information in the information of position, the 3rd identification information obtain the position letter of each mobile terminal
Breath.
Wherein, the step includes：
If the location information is the information that the AP is obtained with wireless system, the back end processing module utilizes institute
State the first identification information in location information and the 3rd corresponding destination object of identification information pair is positioned；
If the location information is the information that the AP is obtained with line-of-sight propagation, the back end processing module profit
Positioned with the second identification information in the location information and the 3rd corresponding destination object of identification information pair.
Specifically, back end processing module 300 receives the location information that wireless base station and each PD are uploaded.For wireless base station
The location information of upload, back end processing module 300 extracts the network address and the Termination ID of wireless base station from the location information,
According to the network address and Termination ID in GIS（Geografic Information System, GIS-Geographic Information System）Map subscript
Know miner position；For each PD upload location information, back end processing module 300 extracted from the location information PD short addresses and
Termination ID, miner position is identified according to PD short addresses and Termination ID in GIS map, completes the positioning to miner.
It can be seen that, the present invention cooperates with the data for completing positioning service to pass by using visible ray and radio communication system
It is defeated, effectively overcome the adverse effect that channel circumstance brings when only relying on single communication mode.Simultaneously, it is seen that the data of light mode
Transmission rate is significantly larger than the message transmission rate of the wireless system based on RFID technique or Wi-Fi technology, meets under ore deposit
The requirement of the big data quantity, two-forty of communication.
Embodiment seven
The embodiment of the present invention seven continues to optimize the mobile terminal locating method in embodiment six.That is the present embodiment
In, for positioning service is concentrated, also comprise the following steps：Determining for positioning service is concentrated when the mobile terminal sends to the AP
When position information fails, the AP sends prompt message to the mobile terminal；The mobile terminal sends to AP and concentrates fixed again
The location information of position business.
When personnel are into mine, it is necessary to carry out personal information statistics in mine entrance, i.e., now need to each miner people
Member carries out and concentrates positioning service, due to reality scene in, often have that miner's personnel's number is larger, leak source rate is higher asks
Topic.For this kind of situation, the present embodiment is pointed out by the way that data are uploaded with miner's terminal of failure, and is uploaded again by terminal
Its own ID frame reduces leak source rate.
Specifically, the characteristics of the present embodiment periodically sends by beacon frame, is added by the body section in beacon frame
Confirm field to define concentration confirmation-beacon frame（BA-Beacon）, realize uploading data using the concentration confirmation-beacon frame
The terminal of failure is confirmed.As shown in figure 9, confirming that field includes two subfields：Termination ID sequence and confirmation bitmap, its
In：
Termination ID sequence：The ID of the terminal for showing to need feedback acknowledgment frame, the present embodiment is only to the terminal of data transmission fails
Feedback acknowledgment frame, m represents the terminal number of data transmission fails, and correspondingly, 2 × m is the byte number shared by the Termination ID sequence,
Each ID takes 2 bytes；
Confirm bitmap：Can by 1,0 respectively represent sends successfully, transmission fail, the present embodiment is only with 0 pair of data transfer
The Termination ID of failure is confirmed.
Based on the concentration confirmation-beacon frame of the present embodiment definition, in concentration positioning service, in first broadcast cycle, AP
Confirm that field is empty concentration confirmation-beacon frame to each miner's terminal broadcast, each miner's terminal receives the concentration confirmation-beacon frame
Afterwards, the time slot during random selection current super frame data in visible ray or radio channel uploads self ID frame, afterwards, AP according to
The content for concentrating confirmation-beacon frame is updated according to the upload situation of terminal, the Termination ID of data transmission fails is concentrated added to collection
In section of being read really in middle confirmation-beacon frame, and broadcast update after concentrations confirmations-beacon to transmission fail terminal collect
Middle confirmation, the terminal for sending failure retransmits its ID frame in next superframe.After repeatedly transmitting again, each miner concentrates and is positioned to
Work(, greatly reduces leak source rate.
Wherein, AP initial superframe slots number can determine that the present embodiment setting superframe slots are individual according to terminal total number
Number is approximately equal to total number of terminals, and superframe slots number is constant in retransmission process.For example, it is assumed that the number for entering ore inlet port is 10000, phase
Number of time slots as 10000 should be set, personnel's point is about realized after the repeating transmission of 5 secondary datas by verifying all miners using said process
Name success, leak source rate is less than 1/10000, can be fully completed in 2s.
Herein, it is necessary to explanation, when validation of information is carried out to terminal, is not limited to the terminal only to bust this and enters
Row is concentrated and confirmed, it is also possible to which all terminals are all confirmed, specifically can be in bitmap is confirmed respectively with 1, and 0 representative sends successfully
Fail with sending, foundation confirms corresponding bitmap data in field after subsequent terminal receives concentration confirmation-beacon frame that AP is broadcasted
Whether know transmission success, transmitted again if bust this, certainly, generally, to avoid concentrating confirmation-beacon frame length
Length is spent, it is preferential using the terminal for only confirming transmission failure.
Embodiment eight
The present embodiment eight continues to expand mobile terminal locating method disclosed in above example.I.e. the above method is also
Including：
When the AP receives the alert service data of mobile terminal, to each movement in its wireless signal coverage
Terminal sends control data, to control each mobile terminal to stop sending other each business information except alert service；Afterwards
End processing module receives the alert service data that AP is reported, and alert process is carried out according to the alert service data.
Environment is complicated under ore deposit, under the ore deposit at tunnel or face, if the mutation of the situation such as humiture, gas is, it is necessary on urgent
Report critical information, that is, need burst to upload terminal ID info and warning message under critical environment.For this kind of situation, this implementation
Example addition burst alarm positioning service.
Upload chance and warning message is processed in time, it is necessary to quickly obtain warning message in such cases, and
Under ore deposit at tunnel or face, it may occur that various positioning services such as cycle positioning service, roll-call positioning service, to keep away as far as possible
Exempt from the conflict of multiple business, the present embodiment according to the prespecified each business of significance level of each business priority level：Burst report
Alert positioning service highest priority, roll-call positioning service are taken second place, cycle positioning service priority is minimum.
Face of mine etc. environmental condition is complicated, because the factors such as turning cause Radio Link not smooth, Yi Jiyan
The situation that dirt overrich or part place optical link are blocked is very common, therefore radio link and visible optical link all can not be with
When ensure unimpeded.So as to upon occurrence of an emergency situation, to ensure the rapidity and validity of communication, miner should be same in two kinds of channels
When send id information and warning message, AP suspends other data is activations and replys ACK frames after receiving, complete emergency situations under ore deposit
Alarm and personnel positioning.
Specifically, for burst alarm positioning service, the present embodiment adds alert field, is formed by Termination ID frame
Alarm ID frames.So as to when there is burst alarm positioning service demand, terminal sends report using visible ray and radio channel simultaneously
Alert ID frames, after AP receives the alarm ID frames of terminal, broadcast a control frame, it is desirable to which all terminals stop sending other business,
Alarm Communication or other dispatching communications are carried out with the terminal for allowing critical place.
If visible light channel surprisingly disconnects, alarm positioning service data can be successfully transmitted over the wireless channel；If wireless
Radio channel surprisingly disconnects, then ore deposit periodical positioning service can not be guaranteed（Terminal cannot receive the poll-beacon of AP broadcast
Frame）, now, it is seen that optical channel is idle, the burst alarm positioning service of terminal can be served only for.
Because the upload of burst alarm positioning service data is paroxysmal, does not prenotice, point out, therefore, although
The service priority is higher, but the control frame of AP is just issued after alarm ID frames send successfully, it is intended that ensure subsequent alarms
Communication link is unimpeded during treatment, therefore, upload moment in alarm ID frames, it is possible to which the conflict of different business, this implementation occur
Example solves the problems, such as service conflict using the avoidance mechanism based on terminal.
The avoidance mechanism is specific as follows：
Alarm ID frames for burst alarm send the feelings that generation conflicts over a radio channel with the ID frames of positioning of calling the roll
Condition, sets timer Timer, if the terminal of burst alarm positioning service is sent the stand-by period more than no receipts after Timer
To the ACK acknowledgement frames of AP, alarm ID frames are retransmitted immediately, certain hour weight after burst alarm terminates is kept out of the way in roll-call positioning service
Hair；
When the alarm ID frames of burst alarm positioning service conflict with the ID frames of cycle positioning service in visible light channel,
Represent that wireless channel conditions are good（Cycle positioning needs to receive poll-beacon frame that radio channel sends）, now, alarm is fixed
Position business will not send successfully on optical channel, and can be sent successfully in radio channel；If radio channel surprisingly disconnects,
Terminal cannot obtain the poll-beacon frame of AP so under cycle positioning service, therefore cycle positioning service can not be guaranteed, can
See that optical channel is idle, now, alarm positioning service can be successfully transmitted by visible light channel.
Embodiment nine
An application example of the open the inventive method of the present embodiment nine in scene under ore deposit.
The complexity of environment under consideration ore deposit, the layout density of wireless base station is every 100 meters of layings one, and in turn and lane
Wireless base station is laid respectively in road intersection.Wireless base station is specifically laid in tunnel top, and each tunnel and face ensure have
At least one wireless base station, it is seen that the packing density of light-receiving PD is every 10 meters one, specifically can by lighting apparatus under ore deposit and
Power line is laid, so as to be 5 meters (about half-distance of packing density) by the terminal precision that visible light channel is positioned.
Below for the different business requirement description workflow of the invention of different scenes under ore deposit：
1）Mine mouth personnel concentrate and call the roll
The superframe slots number of mine mouth AP is set as into ore deposit total number of persons in advance, concentrate call the roll during superframe length not
Become.By taking miner's number 10000 as an example, then the number of time slots of respective settings superframe is 10000.
Figure 10 is referred to, realizes that mine mouth personnel concentrate the process called the roll as follows using the present invention：
S1001：When each miner enters mine entrance, AP sends to each miner's terminal and concentrates confirmation-beacon frame（Confirm field
It is sky）, it is desirable to all miners upload its identity ID frames；
S1002：Each miner's terminal recognition concentrates positioning service type；
S1003：After identification type of service, each terminal selects a time slot in superframe data transfer period, at random in visible ray
Channel or radio channel upload the identity ID frames of oneself；
S1004：AP is using the concentration confirmation-beacon frame after updating（BA-Beacon）Feedback is concentrated to send the terminal of failure,
And start next superframe；
S1005：The terminal of failure is sent, a time slot is randomly choosed again in the next superframe and is sent its ID frame.
The like, if there is the terminal for sending failure, above step is repeated, until complete to concentrate calling the roll.
Figure 11 is referred to, Figure 11 shows that the channel of the photoelectricity hybrid network in above-mentioned concentration roll-call positioning flow uses feelings
Condition.
2）Tunnel or face are periodically positioned
Figure 12 is referred to, the process positioned using property performance period of the invention is as follows：
S1201：Miner enters tunnel, into the AP coverings of a wireless base station and several visible light-receiving PD nodes compositions
In the range of when, AP to miner's terminal send poll-beacon frame（Polling Field is sky）, it is desirable to terminal periodic ground uploads its identity
ID frames, are managed collectively in order to control centre, grasp miner's dynamic；
S1202：Terminal competes transmission route over a radio channel using the RTS/CTS handshake mechanisms of similar 802.11DCF
Limit, wouldn't send data after competing successfully；
S1203：The Termination ID that AP will obtain sending permission adds transmit queue table, safeguards transmit queue table, and by queue
Termination ID in table adds the Polling Field of next poll-beacon frame；
S1204：AP is to each terminal broadcast poll-beacon frame；
S1205：Terminal sends self poisoning ID frames successively after receiving, AP need not be made whether the confirmation that receives to terminal.
So far, cycle positioning service upload a super frame period terminate, afterwards, repeat AP send poll-beacon frame with
And terminal uploads the process of identity ID frames, Polling Field is interior in poll-beacon frame is maintained if transmit queue table is not changed
Hold constant.When there is new Termination ID to add transmission to list and certain terminal away from AP coverages, poll-beacon is updated
Polling Field in frame, and broadcast new poll-beacon frame.
The cycle that AP polls and terminal positioning business are uploaded is a super frame period, if terminal transmit queue table has renewal,
Then the corresponding upload cycle also have certain change.
Refer to Figure 13, Figure 13 is the use feelings of two kinds of channels in location data upload procedure in cycle positioning service
Condition.
3）Tunnel or face not timing point ring service
If control centre needs sporadically to carry out roll-call positioning to certain miner, AP has sent QoS to it（Quality
Of Service, service quality）The roll-call frame of guarantee, immediately miner reply corresponding location data over a radio channel.
It is interior during this section, it is seen that optical channel can proceed cycle positioning service, such as shown in Figure 14 dotted lines circle, and two kinds of business will not
Conflict.
4）Happen suddenly alarm under ore deposit
When there is emergency situation under ore deposit, it is necessary to during exigency report, miner sends emergency alarm and fixed simultaneously in two kinds of channels
Position ID frames, AP suspends the transmission of other business datums and replys ACK frames to miner after receiving.The alarm of emergency situations under completion ore deposit
And personnel positioning.
Control centre is responsible for processing the location data that AP in each positioning service is received, and realization is carried out to miner's terminal
Positioning.
In the present invention, the positioning precision for sending location data using radio channel depends on the layout density of AP under ore deposit,
For PD, the layout density of AP is smaller, therefore compared with the positioning precision based on visible light channel, based on aerogram
The positioning precision in road is relatively low.For this kind of situation, the present invention can also use fingerprint to the terminal that data are sent based on radio
Identification location algorithm is positioned.Implement flow as follows：A, training stage：Ground-based server（Can be used as back-end processing mould
Block）Signal strength test is carried out to all reference training points under ore deposit, the signal strength data storehouse of all reference points is set up；B, positioning
Stage：Terminal sends positioning ID frames by wireless channel, to realize measuring terminals to specific base（The wireless base station of AP）Letter
Number intensity, ground-based server recognizes location algorithm according to received signals fingerprint, the number that the signal intensity that will be measured is set up with the training stage
Matched according to storehouse, drawn the position of the terminal, realized positioning.
In sum, the present invention has following advantage：Complete to determine under ore deposit using the two kinds of channel collaborations of visible ray and radio
The transmission of position business, effectively overcomes the influence of channel circumstance when only relying on radio communication；Visible light communication is capable of achieving at present
The transmission rate of average 500M, and radio channel actual transfer rate is very low, for this feature, the present invention utilizes aerogram
Road transmission control frame, sends data frame, it is possible to achieve multiple terminals high-peed connection network, and substantially increase using visible light channel
The stability of the transmission rate, network utilization ratio and system of data；The present invention can be by lighting apparatus under ore deposit and power line reality
Existing information back, lays convenience, low cost, positioning precision high；And the present invention is directed to different location requirements, has separately designed not
Same network insertion mechanism, meets the positioning service demand under various scenes.
It should be noted that each embodiment in this specification is described by the way of progressive, each embodiment weight
Point explanation is all difference with other embodiment, between each embodiment identical similar part mutually referring to.
For convenience of description, it is divided into various units with function during description apparatus above to describe respectively.Certainly, this is being implemented
The function of each unit can be realized in same or multiple softwares and/or hardware during application.
As seen through the above description of the embodiments, those skilled in the art can be understood that the application can
Realized by the mode of software plus required general hardware platform.Based on such understanding, the technical scheme essence of the application
On the part that is contributed to prior art in other words can be embodied in the form of software product, the computer software product
Can store in storage medium, such as ROM/RAM, magnetic disc, CD, including some instructions are used to so that a computer equipment
（Can be personal computer, server, or network equipment etc.）Perform some of each embodiment of the application or embodiment
Method described in part.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (14)
1. a kind of wireless access points AP, it is characterised in that unique first identification information of the AP correspondences, the AP includes
First radio receiving transmitting module and visible Optical Receivers, wherein：
The visible ray focus of the radio signal coverage of first radio receiving transmitting module and the visible Optical Receivers
Coverage is identical；
The visible Optical Receivers includes K photodiode PD, each unique second identification information of the PD correspondences, institute
It is the natural number more than 1 to state K；
First radio receiving transmitting module, for being sent to institute to each destination object in the radio signal coverage
The Location Request that destination object is positioned is stated, wherein, the Location Request includes positioning service type, the positioning service class
Type is corresponding with the scene residing for the destination object；And for receiving the target pair in the radio signal coverage
As the location information or location information that are sent with wireless system correspondence according to different positioning service types send request, and connecing
When receiving location information, the location information is reported, when location information transmission request is received, process the location information hair
Request is sent, wherein, threeth identification information of the location information comprising first identification information and the destination object；
The PD, for receiving the positioning that the destination object in its visible ray hotspot coverage is uploaded with line-of-sight propagation
Information, adds second identification information of the PD in the location information, and after reporting and with the addition of second identification information
Location information.
2. AP according to claim 1, it is characterised in that the positioning service type includes concentrating positioning service, cycle
Positioning service and roll-call positioning service, wherein, it is described to concentrate positioning service to correspond to the scene that destination object is in mine entrance,
The cycle positioning service and roll-call positioning service correspondence destination object are in the scene of tunnel and face under ore deposit.
3. AP according to claim 1, it is characterised in that first radio receiving transmitting module is additionally operable to：Described first
When radio receiving transmitting module or the visible Optical Receivers receive the alert service data of destination object, to the aerogram
Each destination object in number coverage sends control data, with except controlling each destination object to stop to send alert service
Other each business information；
The alert service data include the 3rd identification information and warning message of destination object.
4. a kind of mobile terminal, it is characterised in that unique 3rd identification information of the mobile terminal correspondence, the mobile terminal
Including the second radio receiving transmitting module and visible optical transmission module, wherein：
Second radio receiving transmitting module, for when the Location Request comprising positioning service type is received, according to different fixed
Position type of service correspondence performs the one kind in following operation：Location information is sent with wireless system, or is sent out with wireless system
Send location information to send request, or do not operate；
The visible optical transmission module, for receiving Location Request and with wireless system in second radio receiving transmitting module
When sending location information, operation is not performed for the Location Request；In second radio receiving transmitting module with wireless system
Send location information and send request and after location information transmission request is processed, sent with line-of-sight propagation and positioned
Information；When second radio receiving transmitting module receives Location Request and do not operate, sent with line-of-sight propagation and positioned
Information.
5. mobile terminal according to claim 4, it is characterised in that second radio receiving transmitting module is additionally operable to wireless
Alert service data are electrically sent, the visible optical transmission module is additionally operable to send alert service number with line-of-sight propagation
According to.
6. a kind of mobile terminal location system, it is characterised in that including AP and N as described in claim 1-3 any one
The individual mobile terminal as described in claim 4-5 any one, the AP is in communication with each other with the mobile terminal, and the N is big
In 1 natural number, the alignment system also includes：
Back end processing module, for receiving the location information that the AP is reported, and is analyzed and processes to the location information,
Using the corresponding two kinds of marks letter in the first identification information in the location information, the second identification information, the 3rd identification information
Breath, obtains the positional information of each mobile terminal；Wherein, corresponding two kinds of identification informations are based on the AP and obtain the positioning
The mode of information determines.
7. a kind of mobile terminal locating method, based on alignment system as claimed in claim 6, it is characterised in that including：
The AP sends what the mobile terminal was positioned to each mobile terminal in its radio signal coverage
Location Request, wherein, the Location Request include positioning service type, the positioning service type with residing for the mobile terminal
Scene it is corresponding；
Each mobile terminal is performed such as when the Location Request that the AP sends is received according to different positioning service types correspondence
One kind in lower operation：Location information is sent to the AP with wireless system or line-of-sight propagation；Or with radio side
Formula sends location information and sends request to the AP, and with visible light communication side after location information transmission request is processed
Formula sends location information to the AP；
The AP processes the location information and sends request when the location information for receiving mobile terminal sends request；With
When wireless system receives the location information of mobile terminal, the location information is reported；Received in visible light communication form
To mobile terminal location information when, corresponding second identification information is added in the location information, and report addition
The location information of the second identification information；
The back end processing module is analyzed and processes to the location information that the AP is reported, and using in the location information
The first identification information, the second identification information, the 3rd identification information in corresponding two kinds of identification informations obtain described each movement
The positional information of terminal；Wherein, corresponding two kinds of identification informations are determined based on the mode that the AP obtains the location information.
8. method according to claim 7, it is characterised in that it is described performed according to different positioning service types correspondence it is as follows
One kind in operation：Location information is sent to the AP；Or wirelessly to AP transmission location information transmission requests, and
Sent after request is processed in the location information and location information is sent to the AP with line-of-sight propagation, specifically included：
When the positioning service type is to concentrate positioning service, the mobile terminal is with wireless system or visible light communication side
Any one in formula sends location information to the AP；
When the positioning service type is cycle positioning service, the mobile terminal sends fixed with wireless system to the AP
Position information sending request, and after the location information sends request by AP treatment, with line-of-sight propagation to described
AP sends location information；
When the positioning service type is roll-call positioning service, the mobile terminal sends fixed with wireless system to the AP
Position information.
9. the method according to claim 8 any one, it is characterised in that the AP is receiving the positioning of mobile terminal
The location information is processed during information sending request and sends request, specifically included：
The AP sends confirmation to the mobile terminal；
The AP accesses the mobile terminal according to the 3rd identification information of the mobile terminal in the way of poll.
10. method according to claim 7, it is characterised in that the positioning that the back end processing module is reported to the AP
Information is analyzed and processes, according to the first identification information in the location information, the second identification information, the 3rd identification information
The positional information of each mobile terminal is obtained, is specifically included：
If the location information is the information that the AP is obtained with wireless system, the back end processing module is using described fixed
The first identification information and the 3rd corresponding mobile terminal of identification information pair in the information of position are positioned；
If the location information is the information that the AP is obtained with line-of-sight propagation, the back end processing module utilizes institute
State the second identification information in location information and the 3rd corresponding mobile terminal of identification information pair is positioned.
11. methods according to claim 8, it is characterised in that also include：
When the mobile terminal sends the location information failure for concentrating positioning service to the AP, the AP is to described mobile whole
End sends prompt message；
The mobile terminal sends the location information for concentrating positioning service to the AP again.
12. methods according to claim 8, it is characterised in that also include：
Pre-establish the priority level of cycle positioning service, roll-call positioning service and alert service, each business it is preferential
Rank is specially：The priority of alert service is higher than higher than the priority of roll-call positioning service, the priority of roll-call positioning service
The priority of cycle positioning service.
13. methods according to claim 12, it is characterised in that also include：
When the AP receives the alert service data of mobile terminal, to each mobile whole in its radio signal coverage
End sends control data, to control each mobile terminal to stop sending other each business information except alert service；
The back end processing module receives the alert service data that the AP is reported, and is alarmed according to the alert service data
Treatment.
14. methods according to claim 7, it is characterised in that also include：
The back end processing module is used belonging to the location information that fingerprint recognition location algorithm is received with wireless system to AP
Mobile terminal is positioned.
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| CN103945438B (en) * | 2014-04-16 | 2018-02-09 | 中国人民解放军信息工程大学 | A kind of wireless access points AP, communication system and communication means |
| WO2016187813A1 (en) | 2015-05-26 | 2016-12-01 | 华为技术有限公司 | Data transmission method and device for photoelectric hybrid network |
| CN105142214B (en) * | 2015-07-23 | 2019-04-26 | 中国联合网络通信集团有限公司 | The acquisition method and corresponding terminal of WLAN hot spot location information |
| CN105813019A (en) * | 2016-03-08 | 2016-07-27 | 深圳市百米生活股份有限公司 | WIFI hotspot device-based positioning management method |
| CN105865458B (en) * | 2016-06-20 | 2018-09-04 | 中国地质大学（武汉） | A kind of LED indoor positioning navigation method and Position Fixing Navigation System |
| CN106535322B (en) * | 2016-10-31 | 2019-08-02 | 西南交通大学 | A kind of indoor moving localization method based on WIFI directional aerial |
| CN106603152A (en) * | 2016-12-08 | 2017-04-26 | 深圳中广核工程设计有限公司 | Nuclear power plant restricted region people locating method, device, terminal and system |
| CN107105408A (en) * | 2017-04-18 | 2017-08-29 | 东莞信大融合创新研究院 | A kind of localization method based on visible light communication, apparatus and system |
| CN108037484A (en) * | 2017-11-30 | 2018-05-15 | 百色学院 | A kind of interior LED visible light localization method, system and device |
| CN109889265B (en) * | 2019-01-23 | 2021-08-06 | 西安电子科技大学 | Indoor full-coverage communication positioning method and system based on visible light and infrared communication |
| CN110225461B (en) * | 2019-06-25 | 2021-07-23 | 国能龙源电气有限公司 | Indoor positioning method based on UWB technology |
| CN113727293A (en) * | 2020-05-25 | 2021-11-30 | Oppo广东移动通信有限公司 | Indoor positioning system, method and device |
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